Table of P(X): P(E or F) where E = X is prime and F = X less than a number
The same question, asked 6 times: 10 May 2023 S1*, 11 May 2023 S2*, 13 May 2024 S2*, 13 Apr 2026 S1*, 15 Apr 2026 S2*, 16 Apr 2026 S1. Every wording below, oldest first.
Try each one first, then open its answer.
Question 1
10 May 2023 S1
137A random variable X has the following probability distribution: | X | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | | P(X=x) | 0.15 | 0.23 | 0.12 | 0.10 | 0.20 | 0.08 | 0.07 | 0.05 | For the events , . ThenTap an option to check your answer.
Question 2
11 May 2023 S2
102A random variable X has the following probability distribution: X=x: 1,2,3,4,5,6,7,8 with P(X=x): 0.15,0.23,0.10,0.12,0.20,0.08,0.07,0.05. For the event , , then isTap an option to check your answer.
Question 3
13 May 2024 S2
118A random variable X has the probability distribution.for the events and , isX=x P(X=x) 1 0.15 2 0.23 3 0.12 4 0.20 5 0.08 6 0.10 7 0.05 8 0.07 Tap an option to check your answer.
Question 4
13 Apr 2026 S1
98A random variable X has the following probability distributionFor the events is a prime number, , isTap an option to check your answer.
Question 5
15 Apr 2026 S2
99A random variable X has the following probability distributionFor the event E = { X is a prime number } and F = { X < 4 }, P(EF) =X 1 2 3 4 5 6 7 8 P(X=) 0.15 0.23 0.12 0.10 0.20 0.08 0.07 0.05 Tap an option to check your answer.
Question 6
16 Apr 2026 S1
98A random variable X has the probability distributionfor the events E = {X is a prime number} and F = {X 3}, then P (EF)=1 2 3 4 5 6 7 8 0.23 0.15 0.12 0.10 0.20 0.07 0.08 0.05 Tap an option to check your answer.